124 lines
3.7 KiB
Python
124 lines
3.7 KiB
Python
# SPDX-FileCopyrightText: Copyright (c) 2025 Tim Cocks for Adafruit Industries
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#
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# SPDX-License-Identifier: MIT
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import time
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import supervisor
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import terminalio
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from displayio import Group, Palette, TileGrid
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from terminalio import Terminal
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import adafruit_dang as curses
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class Window:
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def __init__(self, n_rows, n_cols, row=0, col=0):
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self.n_rows = n_rows
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self.n_cols = n_cols
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self.row = row
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self.col = col
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@property
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def bottom(self):
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return self.row + self.n_rows - 1
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def up(self, cursor): # pylint: disable=invalid-name
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if cursor.row == self.row - 1 and self.row > 0:
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self.row -= 1
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def down(self, buffer, cursor):
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if cursor.row == self.bottom + 1 and self.bottom < len(buffer) - 1:
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self.row += 1
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def horizontal_scroll(self, cursor, left_margin=5, right_margin=2):
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n_pages = cursor.col // (self.n_cols - right_margin)
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self.col = max(n_pages * self.n_cols - right_margin - left_margin, 0)
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def translate(self, cursor):
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return cursor.row - self.row, cursor.col - self.col
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def helloworld_main(stdscr, terminal_tilegrid):
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window = Window(terminal_tilegrid.height, terminal_tilegrid.width)
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stdscr.erase()
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img = [None] * window.n_rows
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user_input = ""
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user_entered_message = ""
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last_key_press = ""
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def setline(row, line):
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if img[row] == line:
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return
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img[row] = line
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line += " " * (window.n_cols - len(line) - 1)
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stdscr.addstr(row, 0, line)
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while True:
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header = "Hello World Adafruit Dang"
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margin = (window.n_cols - 1 - len(header)) // 2
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setline(1, f"{' ' * margin}{header}")
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key_press_message = f"Last key pressed: {last_key_press}"
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margin = (window.n_cols - 1 - len(key_press_message)) // 2
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setline(4, f"{' ' * margin}{key_press_message}")
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last_entered = f"Entered Message: {user_entered_message}"
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margin = (window.n_cols - 1 - len(last_entered)) // 2
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setline(6, f"{' ' * margin}{last_entered}")
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user_input_row = window.n_rows - 2
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if user_input:
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setline(user_input_row, user_input)
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else:
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setline(user_input_row, " " * (window.n_cols - 1))
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status_message_row = terminal_tilegrid.height - 1
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status_message = f" Adafruit Dang | Demo | Fruit Jam | {int(time.monotonic())}"
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status_message += " " * (window.n_cols - len(status_message) - 1)
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line = f"{status_message}"
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setline(status_message_row, line)
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k = stdscr.getkey()
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if k is not None:
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if len(k) == 1 and " " <= k <= "~":
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user_input += k
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last_key_press = k
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elif k == "\n":
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user_entered_message = user_input
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user_input = ""
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elif k in {"KEY_BACKSPACE", "\x7f", "\x08"}:
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user_input = user_input[:-1]
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def run_helloworld_main(terminal, terminal_tilegrid):
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return curses.custom_terminal_wrapper(terminal, helloworld_main, terminal_tilegrid)
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main_group = Group()
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display = supervisor.runtime.display
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font = terminalio.FONT
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char_size = font.get_bounding_box()
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print(f"char_size: {char_size}")
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screen_size = (display.width // char_size[0], display.height // char_size[1])
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terminal_palette = Palette(2)
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terminal_palette[0] = 0x000000
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terminal_palette[1] = 0xFFFFFF
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terminal_area = TileGrid(
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bitmap=font.bitmap,
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width=screen_size[0],
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height=screen_size[1],
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tile_width=char_size[0],
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tile_height=char_size[1],
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pixel_shader=terminal_palette,
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)
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main_group.append(terminal_area)
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terminal = Terminal(terminal_area, font)
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display.root_group = main_group
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run_helloworld_main(terminal, terminal_area)
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